{"title":"Front Cover: Performance-Conscious Coadditive Approach for Enhancing Proton Exchange Membrane Durability: Roles of Tungsten Oxides and Cerium Ions (ChemElectroChem 19/2025)","authors":"Kazuma Shinozaki, Naohiro Hoshikawa, Kyoko Tsusaka, Akitoshi Suzumura, Akihiro Shinohara, Shinya Morishita, Yuji Kamitaka, Kosuke Kitazumi, Naoki Kitano","doi":"10.1002/celc.70077","DOIUrl":"https://doi.org/10.1002/celc.70077","url":null,"abstract":"<p><b>Hydrogen peroxide is decomposed</b> by tungsten oxide within the water domains of a proton exchange membrane in a fuel cell, while cerium ions quench aggressive hydroxyl radicals that arise from the reaction between hydrogen peroxide and ferrous ions. The illustration contrasts the roles of the two additives: cerium protects but slows proton transport, whereas tungsten oxide prevents degradation without hindrance. Together they represent a balanced strategy that prevents membrane degradation while maintaining high fuel cell performance. More information can be found in the Research Article by Kazuma Shinozaki and co-workers (DOI: 10.1002/celc.202500214).\u0000 <figure>\u0000 <div><picture>\u0000 <source></source></picture><p></p>\u0000 </div>\u0000 </figure></p>","PeriodicalId":142,"journal":{"name":"ChemElectroChem","volume":"12 19","pages":""},"PeriodicalIF":3.5,"publicationDate":"2025-10-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://chemistry-europe.onlinelibrary.wiley.com/doi/epdf/10.1002/celc.70077","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145228096","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Cécile Pot d'or, Richard Chukwu, Doriano Brogioli, Fabio La Mantia
{"title":"Front Cover: Modeling Dynamic Electrochemical Impedance Spectroscopy Using a Linearization Technique (ChemElectroChem 18/2025)","authors":"Cécile Pot d'or, Richard Chukwu, Doriano Brogioli, Fabio La Mantia","doi":"10.1002/celc.70063","DOIUrl":"10.1002/celc.70063","url":null,"abstract":"<p><b>The Front Cover Feature</b> illustrates the linearization technique presented by Cécile Pot d’or, Fabio La Mantia, and co-workers in their Research Article (DOI: 10.1002/celc.202500134). The DEIS model receives an input voltage composed of two components—the cyclic voltammetry (CV) and the multi-sine (MS)—and simulates their effects separately. As the MS signal is a small perturbation around the CV, we can calculate its response by linearizing around the CV. The MS response can then be used to generate dynamic impedance spectra.\u0000 <figure>\u0000 <div><picture>\u0000 <source></source></picture><p></p>\u0000 </div>\u0000 </figure></p>","PeriodicalId":142,"journal":{"name":"ChemElectroChem","volume":"12 18","pages":""},"PeriodicalIF":3.5,"publicationDate":"2025-09-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://chemistry-europe.onlinelibrary.wiley.com/doi/epdf/10.1002/celc.70063","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145101315","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Dun Chan Cha, Chandan Kumar, Ashakiran Maibam, Sunghoon Yoo, Jaejun Park, Sumin Kim, Hayoung Kim, Thangjam Ibomcha Singh, Seunghyun Lee
{"title":"Front Cover: Synchronization of Emerging Materials and their Synthetic Strategies for Efficient Alkaline Water Splitting (ChemElectroChem 17/2025)","authors":"Dun Chan Cha, Chandan Kumar, Ashakiran Maibam, Sunghoon Yoo, Jaejun Park, Sumin Kim, Hayoung Kim, Thangjam Ibomcha Singh, Seunghyun Lee","doi":"10.1002/celc.70032","DOIUrl":"10.1002/celc.70032","url":null,"abstract":"<p><b>This cover artwork illustrates</b> the development of emerging materials such as MOFs, 2D materials, SACs, HEAs, perovskites, and MXenes as highly efficient electrocatalysts for water splitting. It highlights the advances in synthesis and heterostructural engineering for judicious synchronization of the synthesis strategies with the emerging electrocatalysts for exploring the potentials and challenges of the next generation of high-performing advanced electrocatalysts for sustainable hydrogen production. Further information can be found in the Research Article by Thangjam Ibomcha Singh, Seunghyun Lee, and co-workers (DOI: 10.1002/celc.202500014).\u0000 <figure>\u0000 <div><picture>\u0000 <source></source></picture><p></p>\u0000 </div>\u0000 </figure></p>","PeriodicalId":142,"journal":{"name":"ChemElectroChem","volume":"12 17","pages":""},"PeriodicalIF":3.5,"publicationDate":"2025-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://chemistry-europe.onlinelibrary.wiley.com/doi/epdf/10.1002/celc.70032","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144927181","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
ChemElectroChemPub Date : 2025-08-29DOI: 10.1002/celc.202500308
David M. Köpfler, Paul Hanselmann, Michaël Bersier, Clara Bovino, Ryan Littich, Simon Wagschal, Dominique M. Roberge, C. Oliver Kappe, David Cantillo
{"title":"Solvent-Enabled Selective Electrochemical Decarboxylative Acetoxylation of Fmoc-Protected Peptides","authors":"David M. Köpfler, Paul Hanselmann, Michaël Bersier, Clara Bovino, Ryan Littich, Simon Wagschal, Dominique M. Roberge, C. Oliver Kappe, David Cantillo","doi":"10.1002/celc.202500308","DOIUrl":"https://doi.org/10.1002/celc.202500308","url":null,"abstract":"<p>The synthesis of peptide-based linkers for antibody-drug conjugates involves an oxidative decarboxylation step. Traditional Hofer–Moest electrolysis conditions are not suitable to achieve this transformation due to the presence of an oxidatively labile Fmoc-protecting group. Herein, a solvent-enabled electrochemical procedure has been established, whereby the solvent electrochemical window prevents degradation of the protecting group. The method has been demonstrated for several relevant peptides in good to very good yields (64–92%).</p>","PeriodicalId":142,"journal":{"name":"ChemElectroChem","volume":"12 19","pages":""},"PeriodicalIF":3.5,"publicationDate":"2025-08-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://chemistry-europe.onlinelibrary.wiley.com/doi/epdf/10.1002/celc.202500308","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145228112","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
ChemElectroChemPub Date : 2025-08-25DOI: 10.1002/celc.202500256
Fritz Wortelkamp, Christian Wittekind, Lilli Busch, Simon Weidner, Ingo Krossing
{"title":"Joint Partial Least Squares Modeling of Experimental and Computational Data for Electrolyte Prescreening in Lithium–Sulfur Batteries","authors":"Fritz Wortelkamp, Christian Wittekind, Lilli Busch, Simon Weidner, Ingo Krossing","doi":"10.1002/celc.202500256","DOIUrl":"https://doi.org/10.1002/celc.202500256","url":null,"abstract":"<p>Lithium–sulfur batteries have attracted great research interest due to the high theoretical capacity of sulfur of 1672 mAh g<sup>−1</sup>. However, they have various problems due to the shuttle current caused by molecular sulfur dissolving in the electrolyte. Hence, electrolyte design is a key focus when optimizing the batteries. This study investigates the relationship between cycling data and electrochemical properties measured with cyclovoltammetric measurements, shuttle current measurements, and impedance spectroscopy. Using the acquired data, a partial least squares model to screen solvent candidates in reference to these findings is introduced. This model is based on cycling data as well as density functional theory-calculated Conductor-like Screening Model for Real Solvents data of the solvents and (solvated) lithium–polysulfides. The usefulness of the converged method is demonstrated by using it to identify new possible electrolyte systems. A subset of ten selected electrolyte systems is evaluated experimentally and their performance is reported. One of those electrolytes, 1.4 M LiTFSI, in pimelonitrile solution and without any further additives, displays exceptional cycling stability already on the first attempt, reaching a state of health of 50% after 115 cycles and maintaining a Coulombic efficiency of close to 100% during the entire cycling procedure.</p>","PeriodicalId":142,"journal":{"name":"ChemElectroChem","volume":"12 19","pages":""},"PeriodicalIF":3.5,"publicationDate":"2025-08-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://chemistry-europe.onlinelibrary.wiley.com/doi/epdf/10.1002/celc.202500256","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145228180","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
ChemElectroChemPub Date : 2025-08-24DOI: 10.1002/celc.202500217
Gregor Florian Böhm, Stefan Topolovec
{"title":"Using the Surface Oxide Reduction Method to Determine the Surface Area of Pd–Co Alloys","authors":"Gregor Florian Böhm, Stefan Topolovec","doi":"10.1002/celc.202500217","DOIUrl":"https://doi.org/10.1002/celc.202500217","url":null,"abstract":"<p>The surface oxide reduction method, a well-established technique for determining the electrochemically active surface area of Pd, is also widely used for Pd–Co alloys. However, comprehensive studies investigating the influence of the alloy composition on the determination of the surface area by the surface oxide reduction method are lacking for this alloy system. To fill this gap, a systematic investigation is conducted by applying the surface oxide reduction method to homogeneous Pd<sub>100−<i>x</i></sub>Co<sub><i>x</i></sub> alloy samples with different compositions (<i>x</i> = 0−20). The results reveal that full monolayer coverage with surface oxide occurs at lower potentials than for pure Pd and that the surface area determined by this method systematically decreases with increasing Co content, indicating that only the Pd sites are accessible by this method. However, it is demonstrated that by taking the alloy composition into account, the surface area of the whole alloy can also be reliably determined.</p>","PeriodicalId":142,"journal":{"name":"ChemElectroChem","volume":"12 19","pages":""},"PeriodicalIF":3.5,"publicationDate":"2025-08-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://chemistry-europe.onlinelibrary.wiley.com/doi/epdf/10.1002/celc.202500217","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145228128","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Fritz Wortelkamp, Christian Wittekind, Lilli Busch, Ingo Krossing
{"title":"Front Cover: Electrolyte-Dependent Electrode Potentials in Lithium–Sulfur Batteries (ChemElectroChem 16/2025)","authors":"Fritz Wortelkamp, Christian Wittekind, Lilli Busch, Ingo Krossing","doi":"10.1002/celc.70031","DOIUrl":"10.1002/celc.70031","url":null,"abstract":"<p><b>The image depicts personifications</b> of sulfur and lithium mirroring each other’s movements to illustrate the linear correlation observed in our study. They are surrounded by molecules of the solvents used in the research. The Research Article by Ingo Krossing and co-workers explores the correlation between the potentials of lithium and sulfur as influenced by the choice of electrolyte solvent (DOI: 10.1002/celc.202500109).\u0000 <figure>\u0000 <div><picture>\u0000 <source></source></picture><p></p>\u0000 </div>\u0000 </figure></p>","PeriodicalId":142,"journal":{"name":"ChemElectroChem","volume":"12 16","pages":""},"PeriodicalIF":3.5,"publicationDate":"2025-08-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://chemistry-europe.onlinelibrary.wiley.com/doi/epdf/10.1002/celc.70031","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144881221","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Performance-Conscious Coadditive Approach for Enhancing Proton Exchange Membrane Durability: Roles of Tungsten Oxides and Cerium Ions","authors":"Kazuma Shinozaki, Naohiro Hoshikawa, Kyoko Tsusaka, Akitoshi Suzumura, Akihiro Shinohara, Shinya Morishita, Yuji Kamitaka, Kosuke Kitazumi, Naoki Kitano","doi":"10.1002/celc.202500214","DOIUrl":"https://doi.org/10.1002/celc.202500214","url":null,"abstract":"<p>To improve the chemical durability of proton exchange membrane fuel cells (PEMFCs) while imposing minimal performance penalties, the effects of simultaneously incorporating tungsten oxide (WO<sub><i>x</i></sub>) and cerium (Ce) ions into the membrane are evaluated. Open-circuit voltage (OCV) hold tests are conducted using Nafion membranes containing Ce ions alone, WO<sub><i>x</i></sub> alone, or both. The combination of Ce<sup>3+</sup>, a hydroxyl radical scavenger, and WO<sub><i>x</i></sub>, a hydrogen peroxide decomposition catalyst with high stability and immobility under acidic conditions, achieves a degradation suppression effect that is consistent with the product of their individual contributions. The distinct mitigation mechanisms of Ce ions and WO<sub><i>x</i></sub> are supported by ex situ H<sub>2</sub>O<sub>2</sub> decomposition experiments and membrane molecular weight analysis. No marked initial performance loss is observed with WO<sub><i>x</i></sub> addition. These results indicate that the use of WO<sub><i>x</i></sub> allows for reduced Ce ion loading and that it mitigates negative effects associated with Ce ion mobility. The combined use of suppressants that target different degradation pathways presents a promising strategy for achieving high membrane durability with minimal performance tradeoffs.</p>","PeriodicalId":142,"journal":{"name":"ChemElectroChem","volume":"12 19","pages":""},"PeriodicalIF":3.5,"publicationDate":"2025-08-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://chemistry-europe.onlinelibrary.wiley.com/doi/epdf/10.1002/celc.202500214","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145228189","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Recent Advances In Low- and Nonnoble Metal Catalysts for Acidic Oxygen Evolution Reaction","authors":"Xinye Zhang, Mengtian Huo, Zihao Xing, Siyuan Zhu, Jinfa Chang","doi":"10.1002/celc.202500249","DOIUrl":"https://doi.org/10.1002/celc.202500249","url":null,"abstract":"<p>Water electrolysis technology is a core pathway for green hydrogen production and plays a crucial role in enabling efficient storage and conversion of clean energy. Among electrolysis systems, proton exchange membrane water electrolyzers (PEMWEs) are ideal for large-scale hydrogen production due to their high current density, rapid response characteristics, and high-purity hydrogen output. However, the acidic oxygen evolution reaction (OER) at the anode remains a key bottleneck in PEMWEs cost and lifetime due to its sluggish kinetics, high overpotential, and heavy reliance on noble metal-based catalysts (Ir and Ru). Developing highly active, low-cost, and durable acidic OER electrocatalysts is essential for reducing electrolyzer energy consumption and advancing the green hydrogen economy. This review systematically examines advancements in acidic OER catalysts over the past five years, focusing on fundamental mechanistic insights, advanced low-loading noble metal-based catalysts, and progress in nonnoble metal-based catalyst design. An outlook on future directions for acidic OER research, emphasizes mechanistic studies and electrocatalyst design strategies to overcome current challenges.</p>","PeriodicalId":142,"journal":{"name":"ChemElectroChem","volume":"12 19","pages":""},"PeriodicalIF":3.5,"publicationDate":"2025-08-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://chemistry-europe.onlinelibrary.wiley.com/doi/epdf/10.1002/celc.202500249","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145228232","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
ChemElectroChemPub Date : 2025-08-21DOI: 10.1002/celc.202500286
Philip Henkel, Ruizhuo Zhang, Rajib Sahu, Christian Kübel, Jürgen Janek, Aleksandr Kondrakov, Torsten Brezesinski
{"title":"Beyond Conventional Coatings: Melt-Infiltration of Antiperovskites for High-Voltage All-Solid-State Batteries","authors":"Philip Henkel, Ruizhuo Zhang, Rajib Sahu, Christian Kübel, Jürgen Janek, Aleksandr Kondrakov, Torsten Brezesinski","doi":"10.1002/celc.202500286","DOIUrl":"https://doi.org/10.1002/celc.202500286","url":null,"abstract":"<p>Solid-state batteries (SSBs) have emerged as promising candidates for next-generation energy-storage solutions, particularly for electric vehicle applications. To overcome challenges related to interfacial stability and electro-chemo-mechanical degradation during operation, the development of protective surface coatings for cathode active materials (CAMs) is essential. Lithium-rich antiperovskites (LiRAPs) exhibit a unique set of beneficial properties, notably a high ionic partial conductivity at room temperature, enabling the deployment of advanced coating techniques via cost-effective and environmentally benign methods. In the present work, the application of LiRAP coatings to a layered Ni-rich CAM, namely LiNi<sub>0.85</sub>Co<sub>0.</sub><sub>1</sub>Mn<sub>0.05</sub>O<sub>2</sub> (NCM85), is examined, utilizing a low-temperature and solvent-free approach. The effectiveness of the procedure is evaluated through microscopy analyses and electrochemical performance assessments. The results demonstrate a significant improvement in cyclability, highlighting the potential of LiRAP-based surface coatings for enhancing the performance and longevity of high-capacity cathodes in SSB systems.</p>","PeriodicalId":142,"journal":{"name":"ChemElectroChem","volume":"12 19","pages":""},"PeriodicalIF":3.5,"publicationDate":"2025-08-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://chemistry-europe.onlinelibrary.wiley.com/doi/epdf/10.1002/celc.202500286","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145228233","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}